nvdla: kmd: Expose full set of limits for task parameters

- Certain task parameter limits were not exposed to UMD / Users
- Expose these limits and rename to provide consistent KMD interface
across linux / qnx

Jira DLA-4467
JIRA DLA-4908
Bug 3352716

Change-Id: Ibcf1de5f4d442d9b1f3fefaf71195bc6e58fff5c
Signed-off-by: Anup Mahindre <amahindre@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2558254
(cherry picked from commit ccb23fdbb6da2908893cfebcdcd0d219f9b255e0)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2572193
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 12 insertions, 1 deletions

diff --git a/include/uapi/linux/nvhost_nvdla_ioctl.h b/include/uapi/linux/nvhost_nvdla_ioctl.h
index 447be9cc0..8ef536de5 100644
--- a/include/uapi/linux/nvhost_nvdla_ioctl.h
+++ b/include/uapi/linux/nvhost_nvdla_ioctl.h
@@ -29,6 +29,17 @@
 #endif
 
 /**
+ * Limits exposed to userspace
+ */
+#define MAX_NVDLA_PREFENCES_PER_TASK            32
+#define MAX_NVDLA_POSTFENCES_PER_TASK           32
+#define MAX_NVDLA_EMU_PREFENCES_PER_TASK        16
+#define MAX_NVDLA_EMU_POSTFENCES_PER_TASK       16
+#define MAX_NVDLA_IN_STATUS_PER_TASK            MAX_NVDLA_PREFENCES_PER_TASK
+#define MAX_NVDLA_OUT_STATUS_PER_TASK           MAX_NVDLA_POSTFENCES_PER_TASK
+#define MAX_NVDLA_OUT_TIMESTAMPS_PER_TASK       32
+
+/**
  * struct nvdla_queue_stat_args strcture
  *
  * @status              queue status flags
@@ -94,7 +105,7 @@ struct nvdla_pin_unpin_args {
 struct nvdla_submit_args {
         __u64 tasks;
         __u16 num_tasks;
-#define MAX_TASKS_PER_SUBMIT            16
+#define MAX_NVDLA_TASKS_PER_SUBMIT      16
 #define NVDLA_SUBMIT_FLAGS_ATOMIC       (1 << 0)
 #define NVDLA_SUBMIT_FLAGS_BYPASS_EXEC  (1 << 1)
         __u16 flags;